EasyTAG - Tag editor for MP3, ogg vorbis and various other files.

EasyTAG is a utility for viewing and editing tags for MP3, MP2, FLAC
Ogg Vorbis, MP4/AAC, MusePack and Monkey's Audio files. Its simple
and nice GTK2 interface makes tagging easier under GNU/Linux.

libmp4v2 is an optional dependency.